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Diffstat (limited to 'tools/perf/util/bpf_skel/lock_contention.bpf.c')
-rw-r--r--tools/perf/util/bpf_skel/lock_contention.bpf.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/tools/perf/util/bpf_skel/lock_contention.bpf.c b/tools/perf/util/bpf_skel/lock_contention.bpf.c
index 95cd8414f6ef..fb54bd38e7d0 100644
--- a/tools/perf/util/bpf_skel/lock_contention.bpf.c
+++ b/tools/perf/util/bpf_skel/lock_contention.bpf.c
@@ -19,13 +19,6 @@
#define LCB_F_PERCPU (1U << 4)
#define LCB_F_MUTEX (1U << 5)
-struct tstamp_data {
- __u64 timestamp;
- __u64 lock;
- __u32 flags;
- __s32 stack_id;
-};
-
/* callstack storage */
struct {
__uint(type, BPF_MAP_TYPE_STACK_TRACE);
@@ -140,6 +133,8 @@ int perf_subsys_id = -1;
/* determine the key of lock stat */
int aggr_mode;
+__u64 end_ts;
+
/* error stat */
int task_fail;
int stack_fail;
@@ -559,4 +554,11 @@ int BPF_PROG(collect_lock_syms)
return 0;
}
+SEC("raw_tp/bpf_test_finish")
+int BPF_PROG(end_timestamp)
+{
+ end_ts = bpf_ktime_get_ns();
+ return 0;
+}
+
char LICENSE[] SEC("license") = "Dual BSD/GPL";